Excerpt from the tube collection of Peter den Boer. These images (tube photos) were uploaded to the respective tubes or valves by Peter den Boer.
CX112A |
1927 |
Cunningham Inc., E.T.; Harr... |
USA |
|
B424 |
1927 |
Philips; Eindhoven (tubes in... |
NL |
|
VIRAC |
1926 |
Vereenigde Industrieen (N.V.... |
NL |
|
VIRAA |
1926 |
Vereenigde Industrieen (N.V.... |
NL |
|
SV7 |
1926 ?? |
Triotron (tubes) = Brand of ... |
A |
|
GP |
1926 |
Radions Ltd., Radion Works; ... |
GB |
|
DL2_deForest |
1926 ?? |
DeForest-Tubes |
USA |
|
DE34HF |
1926 |
Radions Ltd., Radion Works; ... |
GB |
|
DE06_Radion |
1926 |
Radions Ltd., Radion Works; ... |
GB |
|
A425 |
1926 |
Philips; Eindhoven (tubes in... |
NL |
|
A225 |
1926 |
Philips; Eindhoven (tubes in... |
NL |
|
W3_Cossor |
1925 |
Cossor, A.C.; London |
GB |
|
DE3B |
1925 |
MO Valve Co. Ltd.; GB |
GB |
|
A241 |
1925 |
Philips; Eindhoven (tubes in... |
NL |
|
A141 |
1925 |
Philips; Eindhoven (tubes in... |
NL |
|
6/100 |
1924 |
Métal; France (tubes) |
F |
|
U110 |
1924 |
Radioröhren-Laboratorium-Gmb... |
D |
|
R36 |
1924 |
La Radiotechnique (RT); Pari... |
F |
|
R31 |
1924 |
La Radiotechnique (RT); Pari... |
F |
|
K1_Thorpe |
1924 |
Thorpe Radio Valve Co/Bower ... |
GB |
|
D-21_Sodion |
1924 ? |
Connecticut Telephone & Elec... |
USA |
|
B406 |
1924 |
Philips; Eindhoven (tubes in... |
NL |
|
A441 |
1924 |
Philips; Eindhoven (tubes in... |
NL |
|
Radio-Secteur |
1923 |
Métal; France (tubes) |
F |
|
Sodion_S13 |
1923 |
Connecticut Telephone & Elec... |
USA |
|
D-VI |
1923 |
Philips; Eindhoven (tubes in... |
NL |
|
E52 |
1923 ?? |
La Radiotechnique (RT); Pari... |
F |
|
UV199 |
1922 |
Common type Worldwide tube/s... |
ZZ |
|
VE |
1922 |
Heussen, M. & Co; Arnhem |
NL |
|
F_Philips |
1922 |
Philips; Eindhoven (tubes in... |
NL |
|
Peter den Boer started his/her tube collection (valve collection) here on 22.Aug.2010.
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